/*
 * Jiri Cigler
 * ciglej1@fel.cvut.cz 
 *
 * Copyright (C) 2007 Jirka Cigler <ciglej1@fel.cvut.cz>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 */ 
/**
 * \author Jiri Cigler
 * \file types.hh
 * \brief Declaration of SortTableElement and Task
 * \see SortTableElement
 * \see Task
 */


#ifndef __TYPES_HH__
#define __TYPES_HH__

#include <vector>
#include <iostream>

/**
 * \brief Class used for holding correct id's of tasks during and after
 * reindexing of them.
 */
class SortTableElement{

	public:
		/// Previous Id of task
		unsigned int previous;

		///Actual Id of task
		unsigned int actual;	

		/**
		 * \brief Constructor of class
		 */
		SortTableElement(unsigned int previous, unsigned int actual);
		/**
		 * \brief Sorting of SortTableElement is based on comparison of previous tasks Id.
		 */
		bool operator<(const SortTableElement & a) const{
			return previous < a.previous;
		}
};

/**
 * \brief Basic scheduling unit to be scheduled in discrite time.
 *
 */

class Task{
	public: 	

		/// Processing time of task	
		unsigned int processingTime;
		///Identifier different for each task
		unsigned int id;
		///Dedicated processor
		int processor;
		///List of tasks which must be finished before this task starts
		std::vector< unsigned int > prerequirements; 	

		/**
		 * \brief Constructor of class.
		 * 
		 * Constructor of class, create Task with specified properties. It is neccessary to also fill in list of prerequirements.
		 */
		Task(unsigned int processingTime_, int processor_, unsigned int id_);
		/**
		 * \brief Print basic information about task 
		 */	
		void print();
};

#endif //__TYPES_HH__

